/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.easyseata.tm.api.transaction;

import javax.annotation.Nonnull;

/**
 * Holder for suspended resources to support propagation or nested logic.
 * Used by {@code suspend} and {@code resume}
 *
 */
public class SuspendedResourcesHolder {

    /**
     * The xid
     */
    private String xid;

    public SuspendedResourcesHolder(String xid) {
        if (xid == null) {
            throw new IllegalArgumentException("xid must be not null");
        }
        this.xid = xid;
    }

    @Nonnull
    public String getXid() {
        return xid;
    }
}
